Commit 77403a06 authored by Tiezhu Yang's avatar Tiezhu Yang Committed by Huacai Chen
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LoongArch: Use %px to print unmodified unwinding address 



Currently, use %p to prevent leaking information about the kernel memory
layout when printing the PC address, but the kernel log messages are not
useful to debug problem if bt_address() returns 0. Given that the type of
"pc" variable is unsigned long, it should use %px to print the unmodified
unwinding address.

Cc: stable@vger.kernel.org
Signed-off-by: default avatarTiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: default avatarHuacai Chen <chenhuacai@loongson.cn>
parent 2172d6eb

arch/loongarch/kernel/unwind_orc.c

+1 −1
Original line number Diff line number Diff line
@@ -494,7 +494,7 @@ bool unwind_next_frame(struct unwind_state *state) 


	state->pc = bt_address(pc);

	if (!state->pc) {

		pr_err("cannot find unwind pc at %p\n", (void *)pc);

		pr_err("cannot find unwind pc at %px\n", (void *)pc);

		goto err;

	}